Finding the Third Proportional to 642,576.38 and 1,395,765
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Solution
The third proportional to 642,576.38 and 1,395,765 is: 3,031,795.15
Step by Step Solution
- Step 1: Write the proportion equation
642,576.38 : 1,395,765 = 1,395,765 : x - Step 2: Convert to fraction form
642,576.38/1,395,765 = 1,395,765/x - Step 3: Cross multiply
642,576.38x = 1,395,765 × 1,395,765 - Step 4: Simplify right side
642,576.38x = 1,948,159,935,225 - Step 5: Solve for x
x = 1,948,159,935,225/642,576.38 - Step 6: Final answer
x = 3,031,795.15
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These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.